numerical symbolic operations Model Questions & Answers, Practice Test for ssc cgl tier 1
ssc cgl tier 1 SYLLABUS WISE SUBJECTS MCQs
Analogies, Similarities and differences
Relationship concepts
Arithmetical reasoning, arithmetic number series
Verbal Coding and decoding
Statement conclusion
Semantic Analogy, Symbolic/ Number Analogy, Figural Analogy
Numerical Operations, symbolic Operations
Venn Diagrams
Classification of centre codes/ roll numbers
Visual memory, discrimination, observation
If "A" denotes "multiplied by", "C" denotes "subtracted from", "D" denotes "added to" and "B" denotes "divided by", then 76 C 54 D 210 B 3 A 15 = ?
Answer: (c)
If A → ×, B → ÷, C → –, D → + then,
76 C 54 D 210 B 3 A 15
= 76 – 54 + 210 ÷ 3 × 15
= 76 – 54 + 70 × 15
= 76 – 54 + 1050
= 1126 – 54 = 1072
IF "S" denotes "multiplied by", "V" denotes "subtracted from". "M" denotes "added to" and "L" denotes "divided by", then 44 L 11 S 7 V 7 M 9 = ?
Answer: (a)
If S → × ,V → -, M → +, L → ÷ then,
44 L 11 S 7 V 7 M 9
= 44 ÷ 11 × 7 – 7 + 9
= 4 × 7 – 7 + 9
= 28 – 7 + 9 = 37 – 7 = 30
In a certain code language, '–' represents '+', '+' represents '×', '×' represents '÷' and '÷' represents '–'. Find out the answer to the following question. 7 ÷ 10 – 15 + 6 × 18 = ?
Answer: (a)
If – → +, + → ×, ÷ → –, × → ÷
7 ÷ 10 – 15 + 6 × 18
= 7 – 10 + 15 × 6 ÷ 18
= 7 – 10 + 15 × $6/18$
= 7 – 10 + 5
= 12 – 10 = 2
In a certain code language, '–' represents '×', '÷' represents '+', '+' represents '÷' and '×' represents '–'. Find out the answer to the following question. 35 – 12 + 10 × 50 ÷ 14 = ?
Answer: (b)
If - → ×, ÷ → +, + → ÷, × → -
Given Expression
= 35 – 12 + 10 × 50 ÷ 14
= 35 × 12 ÷ 10 – 50 + 14
= 35 × $12/10$ – 50 + 14
= 42 – 50 + 14
= (56 – 50) = 6
In a certain code language, '×' represents '+', '÷' represents '×', '–' represents '÷' and '+' represents '-'. Find out the answer to the following question. 16 – 2 + 35 × 20 ÷ 2 = ?
Answer: (c)
If × → +, ÷ → ×, - → ÷, + → -
Then, 16 – 2 + 35 × 20 ÷ 2
After changing the signs
= 16 ÷ 2 - 35 + 20 × 2
= 8 - 35 + 20 × 2
= 8 - 35 + 40
= 48 - 35 = 13
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